LITERATURE
... I1TERATUER. Notes on Coal Kining, intended as an Assist. ar SO once to Candidates for Certificates of H &sCo2poteney. as CoZliery Managers. By pr k TBEVO F. THOMAS, Colliery Guardian m O,(ffice, L~ondon, or r Wben everything haa been done whioh Acts of M . arliament Tender imperative, or intelligence can H suggest, mining ean never be other than a C] is. hazardous occupation to those engaged ...